Update 'README.md'

README.md

@@ -15,6 +15,29 @@
 
 ### Attributes
 
+## Shell
+
+### Types
+
+### Shortcuts
+
+## Processes
+
+### Foreground & background
+
+### Services & systemd
+
+## Administration
+
+### Installing software
+
+#### packages
+
+#### archives
+
+#### source
+
+
 ## Commands
 
 - `ls` - 
@@ -49,6 +72,36 @@
 - `mount` -
 - `umount` -
 - `sed` -
+- `history` -
+- `sudo` -
+- `su` -
+- `passwd` -
+- `passwd` -
+- `ps` -
+- `top` -
+- `which` -
+- `kill` -
+- `bg` -
+- `fg` -
+- `disown` -
+- `sleep` -
+- `lscpu` -
+- `wall` -
+- `shutdown` -
+- `reboot` -
+- `halt` -
+- `ss` -
+- `dig` -
+- `curl` -
+- `wget` -
+- `ssh` -
+- `tmux` -
+
+
+
+
+
+